WPS ER: Add more debug info on initialization errors

[libeap.git] / src / wps / wps_upnp_ssdp.c

diff --git a/src/wps/wps_upnp_ssdp.c b/src/wps/wps_upnp_ssdp.c
index 8505d05..c1b2193 100644 (file)
--- a/src/wps/wps_upnp_ssdp.c
+++ b/src/wps/wps_upnp_ssdp.c
@@ -875,11 +875,17 @@ int ssdp_open_multicast_sock(u32 ip_addr)
 #endif
 
        if (setsockopt(sd, IPPROTO_IP, IP_MULTICAST_IF,
-                      &ip_addr, sizeof(ip_addr)))
+                      &ip_addr, sizeof(ip_addr))) {
+               wpa_printf(MSG_DEBUG, "WPS: setsockopt(IP_MULTICAST_IF) %x: "
+                          "%d (%s)", ip_addr, errno, strerror(errno));
                return -1;
+       }
        if (setsockopt(sd, IPPROTO_IP, IP_MULTICAST_TTL,
-                      &ttl, sizeof(ttl)))
+                      &ttl, sizeof(ttl))) {
+               wpa_printf(MSG_DEBUG, "WPS: setsockopt(IP_MULTICAST_TTL): "
+                          "%d (%s)", errno, strerror(errno));
                return -1;
+       }
 
 #if 0   /* not needed, because we don't receive using multicast_sd */
        {